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How to calculate a Mod b in Casio fx-991ES calculator
Does anyone know how to calculate a Mod b in Casio fx-991ES Calculator. Thanks
10 Answers
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...pens if the object cannot be returned. With a Try method, you immediately know what to do.
– OregonGhost
Oct 6 '08 at 20:52
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Difference between fprintf, printf and sprintf?
...t; inputfile.dat > output.txt 2> errors.txt
In this example, stdin now points to inputfile.dat, stdout points to output.txt, and stderr points to errors.txt.
fprintf writes formatted text to the output stream you specify.
printf is equivalent to writing fprintf(stdout, ...) and writes...
Fragment is not being replaced but put on top of the previous one
...d:layout_height="match_parent"
android:text="Hello World!" />
Now in MainActivity
if(condition)
getFragmentManager().beginTransaction().replace(R.id.container,new FirstFragment()).commit();
else
getFragmentManager().beginTransaction().replace(R.id.container...
Python string class like StringBuilder in C#?
...(str)
def __str__(self):
return self._file_str.getvalue()
now using it
sb = StringBuilder()
sb.Append("Hello\n")
sb.Append("World")
print sb
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Importing data from a JSON file into R
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x$user$name, x$user$user_id should now be x$user['name'], x$user['user_id']. Also, m <- do.call(rbind, m) might be a better way of converting the list to a matrix.
– jbaums
Oct 10 '13 at 1:16
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sql primary key and index
...ate your own alternate index on that column, then drop the default index.
Now for the fun part--when do you NOT want a unique primary key index? You don't want one, and can't tolerate one, when your table acquires enough data (rows) to make the maintenance of the index too expensive. This varies ...
Regex - Does not contain certain Characters
...special characters: the shell interprets some of them. Look to see if you now have a file named ']+$' in your directory. Put the entire regex inside single quotes to make it work.
– Ned Batchelder
Sep 11 '17 at 23:50
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Save ArrayList to SharedPreferences
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I'm sorry, I don't have an Android SDK to test it now, but take a look here: benjii.me/2010/04/deserializing-json-in-android-using-gson . You should iterate over the json array and do what they do there for each object, hopefully I'll be able to post an edit to my answer wit...
Should each and every table have a primary key?
... thinking I wouldn't need one, I've ended up going back and adding one. I now create even my join tables with an auto-generated identity field that I use as the primary key.
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